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Nimfa-mama [501]
3 years ago
11

Determine the value of 'X

Mathematics
2 answers:
snow_lady [41]3 years ago
6 0

Answer:

x =22

Step-by-step explanation:

ABCD is a parallelogram. In parallelogram, adjacent angles are supplementary.

∠B +∠C = 180

4x + 12 + 3x + 14 = 180

Combine like terms

4x +3x + 12+ 14 = 180

  7x +  26 = 180    {Subtract 26 from both sides}

           7x = 180 -  26

           7x = 154      {Divide both sides by 7}

             x = 154/7

x = 22

Nikolay [14]3 years ago
4 0

Answer:

x=22° hope it helps:)

Step-by-step explanation:

Please mark it the brainliest if you won't mind:)

(:

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2x – бу = 12<br> -5x - 15 = -30
erastova [34]

Answer:

x=7 and y= 1/3

Step-by-step explanation:

we have -5x - 15 = -30 <=> x + 3 = 10

                                            x= 7

if x=7

so 2×7 - 6y = 12 <=> 14 - 12 = 6×y

                                 2 = 6y

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3 0
2 years ago
In which equation is the constant of proportionality 5?
vredina [299]
I think the answer is 16 sorry if wrong
6 0
2 years ago
Given the foci of (8,0) and the difference of the focal radii = 6, find the equation of the hyperbola
k0ka [10]

Given :

The foci of hyperbola are (8,0) and (-8,0) .

The difference of the focal radii = 6.

To Find :

The equation of the hyperbola.

Solution :

We know, distance between foci is given by :

2c = 8 - (-8)

c = 8

Also, difference between the foci or focal distance is given by :

2a = 6

a = 3

Now, we know for hyperbola :

b^2 +a^2 = c^2\\\\b^2={c^2-a^2}\\\\b^2 = 64-9\\\\b^2 = 55

General equation of hyperbola is :

\dfrac{x^2}{a^2}+\dfrac{y^2}{b^2}=1\\\\\dfrac{x^2}{9}+ \dfrac{y^2}{55}=1

Hence, this is the required solution.

3 0
3 years ago
Can I please get some help! thank you!
Lady bird [3.3K]

Answer:

1234?:177997 +1mde explicaciones pero te digo algo es 1 explicasion

3 0
2 years ago
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Levart [38]

Answer:

15+21/2

Answer: 18

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